Home / 6,728,475.60-9,285,234.12-4,149,124.56

Finding the Fourth Proportional to 6,728,475.60, 9,285,234.12 and 4,149,124.56

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Solution

The fourth proportional to 6,728,475.60, 9,285,234.12 and 4,149,124.56 is: 5,725,753.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728,475.60 : 9,285,234.12 = 4,149,124.56 : x
  2. Step 2: Convert to fraction form
    6,728,475.60/9,285,234.12 = 4,149,124.56/x
  3. Step 3: Cross multiply
    6,728,475.60x = 9,285,234.12 × 4,149,124.56
  4. Step 4: Simplify right side
    6,728,475.60x = 38,525,592,932,641.98
  5. Step 5: Solve for x
    x = 38,525,592,932,641.98/6,728,475.60
  6. Step 6: Final answer
    x = 5,725,753.53

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.